Need help with some more math.?
13. Everything in a store is 20% off for one day only. If a computer normally osts $399.99, what is the sale price, rounded to the nearest cent?
a. 308.00
b. 319.99
c. 321.99
d. 329.79
15. Jerry makes a purchase that allows him to spread the payments over time. The total purchase is $1,200.00. He makes a 25% down payment, and then pays the rest in three equal, interest-free monthyly installments. How much is each monthyly installment?
a. 200.00
b. 233.33
c. 250.00
d. 300.00
Did i do this one right?
16. Quartz crystals are being sold by weight for 18 1/2 cents per gram. What is the cost of a crystal weighing 44 grams?
a. 2.58
b. 6.14
c. 8.14
d. 8.58
I chose c
13. Everything in a store is 20% off for one day only. If a computer normally osts $399.99, what is the sale price, rounded to the nearest cent?
a. 308.00
b. 319.99
c. 321.99
d. 329.79
15. Jerry makes a purchase that allows him to spread the payments over time. The total purchase is $1,200.00. He makes a 25% down payment, and then pays the rest in three equal, interest-free monthyly installments. How much is each monthyly installment?
a. 200.00
b. 233.33
c. 250.00
d. 300.00
Did i do this one right?
16. Quartz crystals are being sold by weight for 18 1/2 cents per gram. What is the cost of a crystal weighing 44 grams?
a. 2.58
b. 6.14
c. 8.14
d. 8.58
I chose c
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13. 399.99*.20=319.99
B
15. 1,200*.25=300
1,200-300=900
900/3=300
D
16. 18.5*44=814
814/100=8.14
C
B
15. 1,200*.25=300
1,200-300=900
900/3=300
D
16. 18.5*44=814
814/100=8.14
C
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13)b 15) d 16) c